Computer Science · Database Management Systems
Which of the following statements are correct? A. The HAVING clause is an optional clause which tells Oracle to group rows based on distinct values that exist for specified columns. B. Unions can be used in subqueries. C. The INTERSECT clause outputs only rows produced by both the queries intersected. D. The statement containing a subquery is called a parent statement. E. If a SELECT statement is defined as a subquery, the innermost SELECT statement gets executed first. Choose the correct answer from the options given below:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1A, B, D Only
- 2B, C, E Only✓
- 3C, D, E Only
- 4A, B, C Only
Correct answer
B, C, E Only
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